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The system shown in the given figure has a unit step input. In order that the steady state error is 0.1, the value of K required is _______
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- 6.0
- 9.0
- 3
- None of the above
Correct Option: B
| For a step input, steady state error = | ||
| (1 + Kp) |
where Kp is positional error constant.
Also,
| ∴ | = | = 0.1 | ||
| 1 + Kp | 1 + K |
⇒ K = 9.0
